The STEM building toy system for toddlers, Grippies Builders combines tactile exploration, magnetic play and an introduction to the basic principles of engineering and geometry. Grippies unique, magnetic rod and ball configuration provide a secure, frustration-free set of construction options as children first discover the joy of building. Unique in concept and design, Grippies® provide a fun, safe and exploratory experience for toddlers. The 20 piece set features 4 soft matte textures in exciting bright colors. Suggested age: 18 mos. +